A dining table

Abstract

The present invention provides a dining table, which belongs to the technical field of catering equipment. It solves the problem of uneven heat preservation effect of existing dining tables. The dining table includes a dining table body, a protective cover arranged above the dining table body, a temperature control mechanism for heating or cooling the heat preservation cavity, a control circuit board and a sensing module for sensing whether there is someone in front of the dining table body. The protective cover has a food taking port and an outer compartment plate that can move relative to the dining table body. The control circuit board controls the movement of the outer compartment plate to open or close the food taking port according to the signal fed back by the sensing module, and when the outer compartment plate closes the food taking port, a closed heat preservation cavity is formed between the protective cover and the dining table body. The dining table can ensure that the food is basically in a relatively uniform and balanced temperature environment from beginning to end, and the heat preservation effect is good and relatively uniform, so that the food in the hands of customers can be guaranteed to have a good taste.

Description

Technical Field

[0001] The invention belongs to the technical field of catering equipment and relates to a dining table. Background Art

[0002] As the pace of life continues to accelerate, people's diets are deeply influenced by the times. Fast food is increasingly popular among consumers due to its convenience. Pre-prepared food is placed on the table, and people can directly choose and buy it. In China, the Chinese diet is mainly based on hot food and stir-fry. Many foods need to be kept warm during the sales process. Therefore, dining tables with heat preservation functions are constantly being promoted and popularized.

[0003] For example, a Chinese patent application (application number: 201920571017.0) discloses a new type of heat-insulating vending machine, which includes a support cabinet, a table frame fixed to the top of the support cabinet, a serving plate placed on the table frame, a sink installed at the bottom of the table frame, and a stainless steel heating pipe installed inside the sink. Pre-prepared food is placed in each serving plate according to its type. The serving plates are partially immersed in the sink, and the hot water in the sink is used to keep the food in the serving plates warm. According to the customer's needs, the waiter will then put the food from the corresponding serving plate into a bowl and hand it to the customer. A protective cover is provided above the support cabinet. The position of the protective cover corresponds to the position of the serving plate, and the length of the protective cover matches the length of the support cabinet. The protective shield is mounted on the support cabinet via a shield mounting bracket. It consists of a curved tempered glass top and vertical tempered glass panels fixed on either side of the curved tempered glass. The curved tempered glass is located on the customer-facing side of the countertop frame and extends downward to prevent splashing of food. To facilitate customer selection and pickup, a small food access opening is provided between the bottom of the tempered glass and the countertop frame. The curved tempered glass is omitted on the server-facing side of the shield, creating a larger operating window for convenient placement of trays and for serveral serving.

[0004] In existing insulated vending machines, the food on the serving trays is essentially in a state of real-time heat exchange with the outside world. While the hot water in the sink provides some insulation, the heat transfer between the hot water and the food on the serving trays is primarily concentrated in the lower half of the trays, while the heat exchange between the food on the serving trays and the outside world is primarily concentrated in the upper half. This results in a significant temperature drop in the food on the upper half of the trays, creating a significant temperature difference between the upper and lower parts of the trays and uneven insulation. When customers are shopping, waiters, out of inertia, often serve customers food from the upper half of the trays, resulting in a relatively poor taste for the food they receive. Furthermore, since the food on the serving trays is essentially in a state of real-time heat exchange with the outside world, the heat exchange rate between the food on the serving trays and the hot water in the sink is accelerated, requiring a heater to heat the hot water in the sink in real time, resulting in higher energy consumption.

[0005] To ensure food remains warm, conventional methods include the following: 1. Waiters periodically stir the food on the serving plates, but frequent stirring can affect the food's texture. 2. Each serving plate is covered with a lid. However, this prevents customers from seeing what's inside. When a customer makes a purchase, the waiter must remove the lids from all the serving plates for them to choose from, which is cumbersome and impacts the customer's shopping experience. Summary of the Invention

[0006] The purpose of the present invention is to address the above-mentioned problems in the existing technology and to propose a dining table. The technical problem to be solved by the present invention is: how to solve the problem of uneven heat preservation effect of the existing dining table.

[0007] The objectives of the present invention can be achieved through the following technical solutions: A dining table, comprising a dining table body and a protective cover arranged above the dining table body, characterized in that the protective cover has a food taking port and an outer storage plate that can move relative to the dining table body. The dining table also includes a control circuit board and a sensing module for sensing whether there is someone in front of the dining table body. The control circuit board controls the movement of the outer storage plate to open or close the food taking port according to the signal feedback from the sensing module, and when the outer storage plate closes the food taking port, a closed insulation chamber is formed between the protective cover and the dining table body. The dining table also includes a temperature control mechanism for heating or cooling the insulation chamber.

[0008] This dining table structure can be used to sell hot or cold food. When in use, merchants can place the food to be sold one dish at a time in advance in the insulation chamber formed by the dining table body and the protective cover, or they can put the food one dish at a time in the insulation chamber and let customers serve themselves. The food in the insulation chamber is kept warm by the temperature control mechanism. When there are no customers making purchases, the outer compartment plate is in a state of closing the food pick-up port. When a customer comes to make a purchase, the sensing module sends the sensed signal to the control circuit board, which controls the outer compartment plate to move and open the food pick-up port. The customer can then purchase the food he or she needs through the food pick-up port. After the customer has made his or her purchase, the control circuit board does not receive the feedback signal from the sensing module and controls the outer compartment plate to move and close the food pick-up port again.

[0009] This dining table structure overturns the conventional understanding of protective covers on dining tables in this field, forming a closed heat preservation chamber between the protective cover and the dining table body. At the same time, with the movable outer door, the sensing module and the automatic sensing control function of the control circuit board, it solves the problem of inconvenience in purchasing caused by the protective cover and the dining table body forming a closed heat preservation chamber, thereby ensuring that the food is basically in a relatively uniform and balanced temperature environment from beginning to end, with a good and relatively uniform heat preservation effect, so as to ensure that the food in the hands of customers has a good taste. Moreover, the food pick-up port is only opened when the customer makes a purchase, which greatly reduces the heat exchange rate between the heat preservation chamber and the outside world, thereby reducing the required energy consumption. At the same time, the food to be sold can also be pre-packed and placed in the heat preservation chamber one by one, without the need for waiters to wait by to serve the customers, which improves work efficiency and reduces the required labor costs. The heat preservation chamber closure in this case refers to relative airtightness, not necessarily absolute airtightness, mainly to prevent temperature loss.

[0010] In the above-mentioned dining table, the dining table also includes a driving member 1. The dining table body has a table plate for placing dishes. The driving member 1 is located below the table plate. The driving member 1 can drive the outer storage plate to rise and fall relative to the table plate to open or close the food taking port. The driving member is set below the table top. Therefore, the outer storage plate is in a working mode of rising to close the meal taking port and falling to open the meal taking port. When the meal taking port is open, the upper edge of the outer storage plate can be set to be retracted to the bottom of the table top or flush with the table top. Compared with the working mode of falling to close the meal taking port, when a customer forgets the plate or cutlery on the table top when shopping, the driving member drives the outer storage plate to rise to reclose the meal taking port. The outer storage plate will push the forgotten plate and cutlery to one side and will not cause damage to the plate or cutlery. At the same time, it can also ensure that the outer storage plate can close the meal taking port in place, thereby ensuring that the food is basically in a relatively uniform and balanced temperature environment from beginning to end, and the heat preservation effect is better and more uniform, thereby ensuring that the food in the hands of the customer has a good taste.

[0011] In the above-mentioned dining table, the dining table also includes a lifting button that can manually control the driving member 1 to drive the outer storage plate to rise and fall, and a switching button that can switch the driving mode of the driving member 1 between automatic and manual. The lifting button and the switching button are both electrically connected to the control circuit board. The setting of the lifting button can realize manual control of the lifting and falling of the outer storage plate, and the setting of the switching button can realize the switching of the driving mode of the driving member 1 between manual and automatic. During normal use of this dining table, the driving mode of the driving member 1 is generally switched to automatic mode, that is, when a customer comes to make a purchase, the sensing module sends the sensed signal to the control circuit board, and the control circuit board controls the movement of the outer storage plate to open the food pick-up port, and the customer can purchase the required food through the food pick-up port. After the customer finishes shopping, the control circuit board does not receive the feedback signal from the sensing module, and controls the movement of the outer storage plate to close the food pick-up port again. However, when the sensing module fails or the merchant needs to clean the insulation chamber, the driving mode of the driving component 1 can be switched to manual control through the switch button. At this time, the lifting button is connected to the control circuit board, and the lifting and lowering of the outer compartment plate can be controlled by the lifting button, which is more convenient to use.

[0012] In the above-mentioned dining table, the protective cover also includes a fixed cover and a movable plate 1. The fixed cover is fixed on the table top. The upper side of the movable plate 1 is hinged to the fixed cover and the movable plate 1 can swing upward around the hinge. The lower side of the movable plate 1 is tilted outward relative to the upper side. There is a distance between the lower side of the movable plate 1 and the table top and the distance forms the above-mentioned food taking opening. The outer storage plate rises and can abut against the lower side of the movable plate 1 to close the above-mentioned food taking opening. The movable panel 1 is hinged to the fixed cover, and the gap between the lower side of the movable panel 1 and the tabletop forms a meal-taking opening, that is, the lower side of the movable panel 1 directly forms the upper edge of the meal-taking opening. Therefore, when the outer compartment panel rises to close the meal-taking opening, even if the customer fails to take his hand out of the meal-taking opening in time and is caught between the outer compartment panel and the movable panel 1, since the lower side of the movable panel 1 is tilted outward relative to the upper side, the movable panel 1 will swing upward under the force, thereby achieving a buffer and unloading force for the customer's hand, so that the customer's hand will not be pinched and can be pulled out in time, eliminating safety hazards. After the customer's hand is pulled out, the movable panel 1 can swing back to its original position under its own weight and abut against the outer compartment panel to re-form a closed heat-insulating chamber to ensure the heat-insulating effect. At the same time, the hinged design of the movable panel 1 allows the movable panel 1 to be directly flipped up to clean the entire heat-insulating cover, which is more convenient.

[0013] As an alternative, in the dining table described above, the protective cover further includes a fixed cover and a movable panel 1, wherein the fixed cover is fixed to the table top, the upper side of the movable panel 1 is hinged to the fixed cover and the movable panel 1 can swing upward around the hinge, the movable panel 1 is arc-shaped and there is a gap between the lower side of the movable panel 1 and the table top, and the gap forms the above-mentioned meal-taking opening, and the outer storage panel rises and can abut against the lower side of the movable panel 1 to close the above-mentioned meal-taking opening. The movable panel 1 is arc-shaped, so the lower side of the movable panel 1 has a tendency to swing upward when subjected to force, thereby achieving a buffering force for the customer's hand, so that the customer's hand will not be pinched and can be pulled out in time, eliminating safety hazards. After the customer's hand is pulled out, the movable panel 1 can swing back to its original position under its own weight and abut against the outer storage panel to re-form a closed heat-insulating chamber, thereby ensuring the heat-insulating effect.

[0014] In the above-mentioned dining table, the protective cover also includes a movable plate 2 and an inner storage plate. The upper side of the movable plate 2 is hinged to the fixed cover and the movable plate 2 can swing upward around the hinge. The lower side of the movable plate 2 is tilted outward relative to the upper side. There is a gap between the lower side of the movable plate 2 and the table top, and the gap forms a food-adding opening. The food-adding opening and the food-removing opening are respectively arranged close to both sides of the table top. The inner storage plate can be raised and lowered relative to the table top to open or close the food-adding opening, and the inner storage plate abuts against the lower side of the movable plate 2 when closing the food-adding opening. A food-adding opening is formed between the movable storage plate 2 and the table top, which is convenient for merchants to add food to the heat preservation chamber. The lifting storage plate 2 can close the food-adding opening after adding food, ensuring that the temperature in the heat preservation chamber will not lose quickly and ensuring the heat preservation effect. At the same time, the movable plate 2 is hinged on the fixed cover, and the lower side of the movable plate 2 is tilted outward relative to the upper side, which can also ensure the safety of merchants during the process of adding food, avoid hand pinching, and also facilitate flipping up for cleaning. As an alternative, the movable plate 2 is in the shape of a curved plate.

[0015] In the above-mentioned dining table, a second driving member capable of driving the inner storage plate to rise and fall relative to the table top is further provided below the table top. The dining table also includes a control button capable of manually controlling the operation of the second driving member to drive the inner storage plate to rise and fall, and the control button is electrically connected to the control circuit board. The second driving member is provided below the table top. When a merchant or waiter forgets a plate or cutlery on the table top during the process of adding food, the inner storage plate will push the forgotten plate and cutlery to one side during the rising process, without causing damage to the plate or cutlery. At the same time, it can also ensure that the inner storage plate can close the adding port in place, thereby ensuring that the food is basically in a relatively uniform and balanced temperature environment from beginning to end, with a better and more uniform heat preservation effect, thereby ensuring that the food in the hands of customers has a better taste.

[0016] In the aforementioned dining table, the edges of movable panels 1 and 2, as well as the inner and outer compartment panels, are all wrapped with sealing strips. These strips effectively seal the gaps between components, creating a closed insulation chamber that prevents heat loss and ensures excellent insulation. Furthermore, the strips provide a flexible cushion if a customer or merchant's hand is pinched, rather than direct, hard contact. This effectively prevents pinching injuries and further enhances safety.

[0017] In the above-mentioned dining table, the top of the fixed cover has a crossbeam, and a mounting cavity is formed in the crossbeam. The upper side of the movable panel 1 can abut against the lower side of the crossbeam so that the lower side of the movable panel 1 is tilted outward relative to the upper side, and the upper side of the movable panel 2 can abut against the lower side of the crossbeam so that the lower side of the movable panel 2 is tilted outward relative to the upper side. The control circuit board and wires on the dining table are all arranged in the mounting cavity, which facilitates wiring. Both the movable panel 1 and the movable panel 2 are limited by their own upper side against the crossbeam so that the lower side is tilted outward relative to the upper side. Therefore, when subjected to force, they have a guiding function and can swing upward to prevent customers or merchants from getting their hands pinched, thereby improving safety performance.

[0018] In the above-mentioned dining table, both sides of the fixed cover are fixed with limiting members. The inner side of the movable panel 1 abuts against the corresponding limiting members, causing the lower side of the movable panel 1 to be tilted outward relative to the upper side. The inner side of the movable panel 2 abuts against the corresponding limiting members, causing the lower side of the movable panel 2 to be tilted outward relative to the upper side. Due to the limiting effect of the limiting members, the lower sides of the movable panels 1 and 2 are both tilted outward relative to the upper side. Therefore, when subjected to force, they have a guiding effect and can swing upward, preventing customers or merchants from getting their hands pinched, thereby improving safety performance.

[0019] In the aforementioned dining table, the temperature control mechanism includes an insulated water tank for holding a heat-conducting medium. The insulated water tank is fixed beneath the tabletop and is provided with a plurality of heat-conducting holes connecting the insulated water tank and the heat-conducting chamber. Preferably, the temperature control mechanism also includes a thermostat and a temperature control unit for heating or cooling the heat-conducting medium. The temperature control unit and the thermostat are both electrically connected to the control circuit board. The temperature control unit may be a heating wire, a heating tube, or a small refrigeration compressor. Further preferably, the insulated water tank is provided with a water inlet and a water outlet, each of which is equipped with a control valve. The insulated water tank holds a heat-conducting medium, such as hot water or ice water, and is selected based on heating or cooling requirements. The thermostat controls the temperature control to heat or cool the heat-conducting medium, thereby maintaining a relatively constant temperature within the heat-conducting chamber. This ensures that the food is kept at a relatively uniform and balanced temperature throughout, resulting in a more uniform and consistent heat preservation effect, thus ensuring that the food delivered to the customer has a good taste.

[0020] The aforementioned dining table also includes an emergency power supply electrically connected to the control circuit board. In the event of a power failure or power outage, the emergency power supply can be activated, thereby ensuring normal operation of the dining table and maintaining a relatively uniform and balanced temperature for food throughout the meal. This ensures that the food served to customers is of high quality and tastes good.

[0021] In the dining table, the control circuit board is also connected to an overcurrent protector, which is used to prevent the circuit from being overloaded and causing short circuit and burnout.

[0022] In the above dining table, the protective cover is also equipped with a heating lamp and a lighting lamp. The lighting lamp is used to provide lighting for customers to choose and buy. The heating lamp can be used to heat and ensure the temperature in the heat preservation chamber is always maintained in a uniform and warm temperature range.

[0023] In the dining table, the movable plate 1, movable plate 2, inner compartment plate and outer compartment plate are all made of transparent materials, which makes it easier for customers to choose and purchase.

[0024] Compared with the existing technology, this dining table has the following advantages:

[0025] 1. A closed heat preservation cavity is formed between the protective cover and the dining table body, ensuring that the food is basically in a relatively uniform and balanced temperature environment from beginning to end. The heat preservation effect is good and relatively uniform, thus ensuring that the food in the hands of customers has a good taste.

[0026] 2. The food pick-up port will only be opened when customers make purchases, which greatly reduces the heat exchange rate between the insulation chamber and the outside world, thereby reducing the required energy consumption.

[0027] 3. The food to be sold can also be placed in the heat preservation chamber in advance, without the need for waiters to wait for customers to serve the food, which improves work efficiency and reduces the labor cost.

[0028] 4. When the hands of customers or merchants are pinched, the movable panels 1 and 2 can swing upwards, so that the customers' hands will not be pinched and can be pulled out in time, eliminating potential safety hazards and improving safety performance.

[0029] 5. The setting of the sealing strip can achieve good sealing of the gaps between the components, and can form a closed insulation cavity to avoid heat loss and ensure better insulation effect. At the same time, it provides a flexible buffer when the customer's or merchant's hand is pinched, rather than direct hard contact, which can more effectively prevent the hand from being pinched and further improve the safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is the three-dimensional Figure 1 .

[0031] Figure 2 This is the three-dimensional Figure 2 .

[0032] Figure 3 This is a three-dimensional structural diagram of the dining table when the outer panel is opened.

[0033] Figure 4 This is a three-dimensional structural diagram of the dining table when the inner compartment panel is opened.

[0034] Figure 5 This is a cross-sectional view of the dining table.

[0035] Figure 6 It is a three-dimensional structural diagram of the insulated water tank.

[0036] In the figure, 1. dining table body; 1a. table top; 1a1. heat conduction hole; 2. protective cover; 2a. fixed cover; 2a1. crossbeam; 2a2. installation cavity; 2b. outer compartment plate; 2c. movable plate 1; 2d. inner compartment plate; 2e. movable plate 2; 2f. insulation cavity; 2g. take-out port; 2h. add-in port; 3. control circuit board; 4. sensing module; 5. drive part 1; 6. lifting button; 7. switching button; 8. drive part 2; 9. control button; 10. drain switch; 11. sealing strip; 12. insulation sink; 12a. water inlet; 12b. water outlet; 13. temperature control switch; 14. temperature control unit; 15. lighting lamp; 16. heating lamp; 17. heating lamp switch; 18. lighting lamp switch; 19. water inlet button. DETAILED DESCRIPTION

[0037] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.

[0038] Example 1

[0039] like Figure 1-5 As shown, the dining table includes a dining table body 1, a temperature control mechanism, a first drive member 5, a second drive member 8, a protective cover 2 disposed above the dining table body 1, a control circuit board 3, an emergency power supply, and a sensor module 4 for detecting whether there is a person in front of the dining table body 1. The dining table body 1 has a table top 1a and support legs for supporting the table top 1a.

[0040] Specifically, the protective cover 2 includes a fixed cover 2a, a movable panel 1 2c, a movable panel 2e, an outer compartment panel 2b, and an inner compartment panel 2d. The movable panels 1 2c, 2e, inner compartment panel 2d, and outer compartment panel 2b are all made of transparent materials, making them convenient for customers to purchase. The fixed cover 2a is fixed to the table 1a. The movable panel 1 2c is in the shape of a straight plate. The upper side of the movable panel 1 2c is hinged to the fixed cover 2a and the movable panel 1 2c can swing upward around the hinge. Limiting members are fixed on both sides of the fixed cover 2a. The inner side of the movable panel 1 2c abuts against the corresponding limiting members, causing the lower side of the movable panel 1 2c to be tilted outward relative to the upper side. There is a gap between the lower side of the movable panel 1 2c and the table 1a, and this gap forms a food removal port 2g. Driver 1 (5) is located below the tabletop (1a). Driver 1 (5) drives the outer panel (2b) up and down relative to the tabletop (1a), opening and closing the food access opening (2g). As the outer panel (2b) rises, it rests against the underside of the movable panel (2c). In this embodiment, driver 1 (5) is a motor, coupled to the outer panel (2b) via a worm gear mechanism. Alternatively, driver 1 (5) could be a pneumatic cylinder.

[0041] The movable panel 2e is straight, with its upper side hinged to the fixed cover 2a and capable of swinging upward about the hinge. The inner side of the movable panel 2e abuts against a corresponding stopper, causing the lower side of the movable panel 2e to tilt outward relative to the upper side. A gap exists between the lower side of the movable panel 2e and the table 1a, forming a food-adding opening 2h. The food-adding opening 2h and the food-removing opening 2g are respectively located adjacent to either side of the table 1a. A driving member 8 is located below the table 1a and is capable of driving the inner compartment panel 2d to raise and lower relative to the table 1a, opening or closing the food-adding opening 2h. When closing the food-adding opening 2h, the inner compartment panel 2d abuts against the lower side of the movable panel 2e. When the outer compartment plate 2b closes the food taking port 2g and the inner compartment plate 2d closes the food adding port 2h, a closed heat preservation chamber 2f is formed between the protective cover 2 and the dining table body 1. In this embodiment, there can be one or more food taking port 2g and one or more food adding port 2h, and there can also be one or more heat preservation chambers 2f.

[0042] The edges of movable panel 1 2c, movable panel 2 2e, inner compartment panel 2d and outer compartment panel 2b are all wrapped with sealing strips 11, which can achieve good sealing of the gaps between the components, prevent heat loss, and ensure better thermal insulation effect. At the same time, it also provides a flexible buffer when the hands of customers or merchants are pinched, rather than direct hard contact, which can more effectively prevent hands from being pinched.

[0043] The top of the fixed cover 2a has a crossbeam 2a1, and a mounting cavity 2a2 is formed in the crossbeam 2a1. The control circuit board 3 and the wires connected to the control circuit board 3 are all arranged in the mounting cavity 2a2, thereby facilitating wiring. A power module is also provided in the mounting cavity 2a2 to supply power to the control circuit board 3. In this embodiment, the sensing module 4 includes an infrared transmitter and an infrared receiver. The crossbeam 2a1 is also provided with a lifting button 6 that can manually control the driving member 1 5 to drive the outer compartment plate 2b to rise and fall, and a switching button 7 that can switch the driving mode of the driving member 1 5 between automatic and manual. The lifting button 6 and the switching button 7 are both electrically connected to the control circuit board 3. The crossbeam 2a1 is also provided with a control button 9 that can manually control the operation of the driving member 2 8 to drive the inner compartment plate 2d to rise and fall. The control button 9 is electrically connected to the control circuit board 3.

[0044] like Figure 5 and 6 As shown, the temperature control mechanism includes a thermostat 13, a heat-insulating water tank 12 for holding a heat-conducting medium, and a thermostat 14 for heating or cooling the heat-conducting medium. The heat-insulating water tank 12 is fixed beneath the platform 1a. The platform 1a also has several heat-conducting holes 1a1 connecting the heat-insulating water tank 12 and the heat-insulating chamber 2f. The thermostat 14 and the thermostat 13 are both electrically connected to the control circuit board 3. The thermostat 14 can be a heating wire, a heating tube, or a small refrigeration compressor, depending on the cooling or heating requirements. The thermal insulation water tank 12 is also provided with a water inlet 12a and a water outlet 12b. The thermal insulation water tank 12 is rectangular in shape, with the water inlet 12a and the water outlet 12b located at either end of the thermal insulation water tank 12, respectively. The water inlet 12a is located near the top of the thermal insulation water tank 12, and the water outlet 12b is located near the bottom of the thermal insulation water tank 12. Both the water inlet 12a and the water outlet 12b are provided with control valves. The crossbeam 2a1 is also provided with an inlet button for controlling the inflow of water into the water inlet 12a and a drain button for controlling the discharge of water from the water outlet 12b. The thermal insulation water tank 12 is used to hold a heat-conducting medium, such as hot water or ice water, which is selected based on the heating or cooling requirements. The thermostat 13 is used to control the operation of the thermostat 14 to heat or cool the heat-conducting medium.

[0045] An emergency power supply is also provided in the installation cavity 2a2, and the emergency power supply is electrically connected to the control circuit board 3. When the power module of the dining table fails or there is an unexpected situation such as a power outage, the emergency power supply can be connected to work, thereby ensuring that the dining table can operate normally. The control circuit board 3 is also connected to an overcurrent protector to prevent the circuit from being overloaded and causing a short circuit and burning.

[0046] The protective cover 2 is also equipped with a heating lamp 16 and a lighting lamp 15. The lighting lamp 15 provides lighting for customers to choose from. The heating lamp 16 heats and maintains a uniform temperature within the heat-insulating chamber 2f. The crossbeam 2a1 is also equipped with a lighting switch 18 for turning the lighting lamp 15 on and off, and a heating lamp switch 17 for turning the heating lamp 16 on and off.

[0047] This dining table structure can be used for selling hot or cold food. When in use, the merchant can put the food to be sold in plates in advance, and put it into the insulation cavity 2f formed by the dining table body 1 and the protective cover 2 through the food adding port 2h, and then control the inner compartment plate 2d to rise to close the food adding port 2h, and keep the food in the insulation cavity 2f warm through the temperature control mechanism. When there are no customers to make purchases, the outer compartment plate 2b is in a state of closing the food taking port 2g. When a customer comes to make a purchase, the sensing module 4 sends the sensed signal to the control circuit board 3, and the control circuit board 3 controls the outer compartment plate 2b to move to open the food taking port 2g. The customer can purchase the required food through the food taking port 2g. After the customer has made the purchase, the control circuit board 3 does not receive the feedback signal from the sensing module 4, and controls the outer compartment plate 2b to move to close the food taking port 2g again.

[0048] This dining table structure overturns the conventional understanding of the protective cover 2 on the dining table in this field, so that a closed heat preservation chamber 2f is formed between the protective cover 2 and the dining table body 1. At the same time, the protective cover 2 and the dining table body 1 form a closed heat preservation chamber 2f, and the automatic sensing control function of the control circuit board 3 are combined to solve the problem of inconvenience in purchasing caused by the protective cover 2 and the dining table body 1 forming a closed heat preservation chamber 2f, thereby ensuring that the food is basically in a relatively uniform and balanced temperature environment from beginning to end, and the heat preservation effect is good and relatively uniform, so that the food in the hands of the customer can be guaranteed to have a good taste. Moreover, the food pick-up port 2g will only be opened when the customer is purchasing, which greatly reduces the heat exchange rate between the heat preservation chamber 2f and the outside world, thereby reducing the required energy consumption. At the same time, the food to be sold can also be pre-packed in the heat preservation chamber 2f in advance, without the need for waiters to wait by the side to serve the customers, which improves work efficiency and reduces the required labor costs.

[0049] Example 2

[0050] The structure and features of this embodiment are substantially the same as those of the first embodiment, except that the first movable plate 2c and the second movable plate 2e are both in the shape of arc plates.

[0051] Example 3

[0052] The structure and features of this embodiment are basically the same as those of embodiment 1, with the difference being that the upper side of movable plate 1 2c can abut against the lower side of beam 2a1 so that the lower side of movable bin plate 1 is tilted outward relative to the upper side, and the upper side of movable plate 2e can abut against the lower side of beam 2a1 so that the lower side of movable bin plate 2 is tilted outward relative to the upper side.

[0053] The specific embodiments described herein are merely illustrative of the spirit of the present invention. Persons skilled in the art may make various modifications, additions, or substitutions to the described specific embodiments without departing from the spirit of the present invention or exceeding the scope of the appended claims.

Claims

1. A dining table, comprising a dining table body (1) and a protective cover (2) arranged above the dining table body (1), characterized in that: The protective cover (2) is provided with a food taking opening (2g) and an outer compartment plate (2b) that can move relative to the dining table body (1). The dining table further comprises a control circuit board (3) and a sensing module (4) for sensing whether there is a person in front of the dining table body (1). The control circuit board (3) controls the movement of the outer compartment plate (2b) to open or close the food taking opening (2g) according to the signal fed back by the sensing module (4). When the outer compartment plate (2b) closes the food taking opening (2g), a closed heat preservation chamber (2f) is formed between the protective cover (2) and the dining table body (1). The dining table further comprises a heat preservation chamber (2f) for heating or cooling the heat preservation chamber (2f). Temperature control mechanism; the dining table body (1) has a table top (1a) for placing dishes, and the protective cover (2) also includes a fixed cover (2a) and a movable plate (2c), wherein the fixed cover (2a) is fixed on the table top (1a), the upper side of the movable plate (2c) is hinged to the fixed cover (2a), and the movable plate (2c) can swing upward around the hinge, and there is a gap between the lower side of the movable plate (2c) and the table top (1a), and the gap forms the above-mentioned food taking opening (2g), and the outer storage plate (2b) rises to abut against the lower side of the movable plate (2c) to close the above-mentioned food taking opening (2g).

2. The dining table according to claim 1, characterized in that The dining table further comprises a driving member (5), wherein the driving member (5) is located below the table plate (1a), and the driving member (5) is capable of driving the outer storage plate (2b) to move up and down relative to the table plate (1a) to open or close the food taking port (2g).

3. The dining table according to claim 2, characterized in that: The dining table further comprises a lifting button (6) capable of manually controlling the driving member 1 (5) to drive the outer compartment plate (2b) to lift and lower, and a switching button (7) capable of switching the driving mode of the driving member 1 (5) between automatic and manual. The lifting button (6) and the switching button (7) are both electrically connected to the control circuit board (3).

4. The dining table according to claim 3, characterized in that The lower side of the movable plate 1 (2c) is tilted outward relative to the upper side.

5. The dining table according to claim 3, characterized in that: The movable plate 1 (2c) is arc-shaped.

6. The dining table according to claim 4 or 5, characterized in that: The protective cover (2) also includes a movable plate 2 (2e) and an inner storage plate (2d), the upper side of the movable plate 2 (2e) is hinged to the fixed cover (2a) and the movable plate 2 (2e) can swing upward around the hinge, the lower side of the movable plate 2 (2e) is tilted outward relative to the upper side, there is a gap between the lower side of the movable plate 2 (2e) and the table (1a), and the gap forms a food adding opening (2h), the food adding opening (2h) and the food taking opening (2g) are respectively arranged close to the two sides of the table (1a), the inner storage plate (2d) can be raised and lowered relative to the table (1a) to open or close the food adding opening (2h), and the inner storage plate (2d) abuts against the lower side of the movable plate 2 (2e) when closing the food adding opening (2h).

7. The dining table according to claim 6, characterized in that The edges of the movable plate 1 (2c), the movable plate 2 (2e), the inner storage plate (2d) and the outer storage plate (2b) are all wrapped with sealing strips (11).

8. The dining table according to claim 6, characterized in that: The top of the fixed cover (2a) has a crossbeam (2a1), and a mounting cavity (2a2) is formed in the crossbeam (2a1). The upper side of the movable plate 1 (2c) can abut against the lower side of the crossbeam (2a1) so that the lower side of the movable storage plate 1 is tilted outward relative to the upper side. The upper side of the movable plate 2 (2e) can abut against the lower side of the crossbeam (2a1) so that the lower side of the movable storage plate 2 is tilted outward relative to the upper side.

9. The dining table according to claim 6, characterized in that Limiting members are fixed on both sides of the fixed cover (2a), and the inner side of the movable plate 1 (2c) abuts against the corresponding limiting members so that the lower side of the movable plate 1 (2c) is tilted outward relative to the upper side, and the inner side of the movable plate 2 (2e) abuts against the corresponding limiting members so that the lower side of the movable plate 2 (2e) is tilted outward relative to the upper side.

10. The dining table according to any one of claims 2 to 5, characterized in that: The temperature control mechanism includes a heat preservation water tank (12) for containing a heat-conducting medium, the heat preservation water tank (12) is fixed below the platform (1a), and the platform (1a) is also provided with a plurality of heat-conducting holes (1a1) connecting the heat preservation water tank (12) and the heat-conducting cavity (2f). The temperature control mechanism also includes a temperature adjustment switch (13) and a temperature control unit (14) for heating or cooling the heat-conducting medium, and the temperature control unit (14) and the temperature adjustment switch (13) are both electrically connected to the control circuit board (3).

Images